Each RG PERMA GRIP Unit includes:
- one 4″ bronze IPS grip ring
- one 4″ ductile iron gland
- Not recommended for polyethylene pipe without an approved internal stiffener.
MATL SPECS FOR MIDCO PERMA GRIP COMPONENTS:
Glands – ASTM A 536 Grade 65-45-12 Ductile Iron and Epoxy Powder Coated to 4 mil thickness. Series 3000 (Style 30) 360 degree Grip Ring – C87850 Bronze ECOBRASS ASTM B 30, B 584, B 806; T-Bolts and Nuts – ASTM A 242.